Home / 4,253.39-6,379.91-1,480.69

Finding the Fourth Proportional to 4,253.39, 6,379.91 and 1,480.69

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Solution

The fourth proportional to 4,253.39, 6,379.91 and 1,480.69 is: 2,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.39 : 6,379.91 = 1,480.69 : x
  2. Step 2: Convert to fraction form
    4,253.39/6,379.91 = 1,480.69/x
  3. Step 3: Cross multiply
    4,253.39x = 6,379.91 × 1,480.69
  4. Step 4: Simplify right side
    4,253.39x = 9,446,668.94
  5. Step 5: Solve for x
    x = 9,446,668.94/4,253.39
  6. Step 6: Final answer
    x = 2,220.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.